For the U.S., Kerry is to sign the agreement Friday and then President Obama will ratify it before he leaves office in December, a senior U.S. official told CBS News in a conference call this week.
Time Frame. The average dolphin species can stay underwater for as long as eight to 10 minutes; some can remain submerged while holding their breath for 15 minutes. Dolphins breathe through their blowhole, which has a muscular flap that covers it when they go under water, keeping water out of their lungs. Size.
While sleeping, a red ear slider can hold its breath for a couple of hours. When awake, it can hold its breath for about a half an hour.owever, the fin whale can hold its breath for up to twenty minutes, whereas the giant sperm whale can hold its breath for as long as two hours (though the average duration seems to be about forty to ninety minutes).